1. Approaches. Knowledge as a form of power -- History as private enterprise -- What is radical history? 2. Essays in American history. (class) Inequality -- The Ludlow Massacre -- LaGuardia in the Jazz Age -- The limits of the New Deal -- (race) Abolitionists and the tactics of agitation -- Psychoanalyzing the dissenters: two case -- Liberalism and racism -- Albany, Georgia, and the new frontier -- (nationalism) Aggressive liberalism -- Vietnam: the moral equation -- The prisoners: a bit of contemporary history -- Violence: the double standard -- Hiroshima and Royan. 3. Theory and praxis. Freedom and responsibility -- The historians -- The philosophers -- Philosophers, historians, and causation